NPIMap

Individual provider Active NPI

Lynn E Hahnfeld, MD

  • Urology Physician
  • Madison, WI
National Provider Identifier
1861431769
Registry record updated Nov 18, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urology PhysicianTaxonomy code 208800000X
License
36940-020 Issued in WI
Practice address
752 N High Point Rd
Madison, WI 53717-2236
Phone
(608) 824-4000
Fax
(608) 824-4671
NPI assigned
Jun 6, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 18, 2020

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urology Physician 208800000X 36940-020 WI Primary

Addresses

Primary practice location

752 N High Point Rd
Madison, WI 53717-2236

Mailing address

752 N High Point Rd
Madison, WI 53717-2236
Phone (608) 824-4000

Other identifiers 1

IdentifierTypeStateIssuer
1861431769MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address lhahnfeld264134@direct-ehr-ssmhc.com Direct
FHIR URL https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/ Other

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20050104000606 WI Practitioner - Urology 0143278499 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Urology
Education
Rush Medical College of Rush University, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dean Health Systems IncGroup PAC ID 7012827983, 1,174 clinicians

Practice addresses (Care Compare)

752 N High Point Rd
Madison, WI 53717-2236
Phone (608) 824-4000

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Prostate resection1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
36940-020WIMDUrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Stoughton Hospital Association CurrentSince Jan 7, 2026 Accepting new patients
Dean Health Systems, Inc. CurrentSince Jul 1, 1999 Accepting new patients
Dean Health Systems, Inc CurrentSince Jul 1, 1999 Accepting new patients
Stoughton Hospital Association CurrentSince Jan 7, 2026 Accepting new patients
Stoughton Hospital Association Past Accepting new patients

Locations

752 N High Point Rd
Madison, WI 53717
Phone (608) 824-4000

1808 W Beltline Hwy
Madison, WI 53713
Phone (608) 250-1497

515 22nd Ave
Monroe, WI 53566
Phone (608) 324-1000

715 W Pleasant St
Portage, WI 53901
Phone (608) 745-5900

2825 Hunters Trl
Portage, WI 53901
Phone (608) 742-5522

100 N Main St
Richland Ctr, WI 53581
Phone (608) 647-8995

900 Ridge St
Stoughton, WI 53589
Phone (608) 231-3410

Interoperability endpoints

  • Direct secure messaging: lhahnfeld264134@direct-ehr-ssmhc.com

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1149552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1605657600000",
    "number": "1861431769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "752 N HIGH POINT RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537172236",
            "telephone_number": "608-824-4000",
            "fax_number": "608-824-4671"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "752 N HIGH POINT RD",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537172236",
            "telephone_number": "608-824-4000",
            "fax_number": "608-824-4671"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAHNFELD",
        "first_name": "LYNN",
        "middle_name": "E",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-06",
        "last_updated": "2020-11-18",
        "certification_date": "2020-11-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208800000X",
            "taxonomy_group": "",
            "desc": "Urology",
            "state": "WI",
            "license": "36940-020",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1861431769",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lhahnfeld264134@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "lhahnfeld264134@direct-ehr-ssmhc.com",
            "address_1": "752 N High Point Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537172236",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "752 N High Point Rd",
            "city": "Madison",
            "state": "WI",
            "country_code": "US",
            "postal_code": "537172236",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Madison, WI

Sources for this page

Verify at the official NPI Registry.